Sadikin, A. . “Pengaruh Penerapan Model Pembelajaran Picture and Picture Yang Dipadukan Dengan Strategi Pembelajaran Aktif Tipe Everyone Is a Teacher Here Terhadap Hasil Belajar Biologi: (The Effect of the Application of the Picture and Picture Learning Model Combined With the Active Learning Strategy Type Everyone Is a Teacher Here on Biology Learning Outcomes)”. BIODIK, vol. 6, no. 4, Dec. 2020, pp. 584-93, doi:10.22437/bio.v6i4.12030.